Electric sulphur evaporator



FIG. 1 is a front elevational view of the electric sulphur evaporator, with the back and both sides of the figure being identical thereto, showing our new design.

FIG. 2 is a bottom view thereof; and,

FIG. 3 is a top view thereof.

The broken lines are included for the purpose of illustrating portions of the electric sulphur evaporator that forms no part of the claimed design. 

The ornamental design for an electric sulphur evaporator, as shown and described. 